Home / 119,033.12-164,278.64-76,051.88

Finding the Fourth Proportional to 119,033.12, 164,278.64 and 76,051.88

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Solution

The fourth proportional to 119,033.12, 164,278.64 and 76,051.88 is: 104,959.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,033.12 : 164,278.64 = 76,051.88 : x
  2. Step 2: Convert to fraction form
    119,033.12/164,278.64 = 76,051.88/x
  3. Step 3: Cross multiply
    119,033.12x = 164,278.64 × 76,051.88
  4. Step 4: Simplify right side
    119,033.12x = 12,493,699,415.84
  5. Step 5: Solve for x
    x = 12,493,699,415.84/119,033.12
  6. Step 6: Final answer
    x = 104,959.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.